FlexTSN - Time-Sensitive Networking

Flexible TSN switching model with programmable scheduling

FlexTSN is a flexible Time-Sensitive Networking (TSN) switching model that addresses the conflict between deterministic scheduling and hardware overhead.

Key Innovations

  • AIAO Primitive: Any-In-Any-Out programmable scheduling primitive
  • Memory Efficient: Dramatically reduces on-chip storage requirements
  • Standard Compliant: Compatible with IEEE 802.1Qbv TSN standards

Applications

  • Industrial automation networks
  • Automotive Ethernet
  • Aerospace systems

Impact

  • Core architecture integrated into Yinhe Hengxin TSN switching chip
  • Supports domestic chip self-reliance
  1. Megabits Down to Kilobits: Memory-Efficient Time-Aware Shaping for TSN - ACM/IEEE DAC 2025
  2. FooDog: Empower TSN for Efficient Policing - IEEE/ACM Transactions on Networking, 2025